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Q8 (15 points): A spherical shell of radius R-10 cm, mass M-2 kg rolls smoothly ona horizontal surface due to a force P--15i N. The force is applied to a point on the shell that is 1.4R high from the ground. The acceleration of the center of mass is а--6Зі m/s2. i. What is the force of friction in unit vector notation? ii. What is the angular acceleration of rolling? ii. How much work is done by the force P i - 2MR/3) one revolution? (Icom.spherical shell Answer ) 2.4 N b) 6.3 rad/s c) 3.77J acom 1.4R

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